Model SD-445

Galvannealed Steel Louver
4" Deep - 45 Degree Drainable Blade

The SD-445 formed steel drainable blade louver is designed to prevent water penetration in non-wind driven rain applications by collecting water in frame and blade gutters and channeling it into downspouts and away from airflow paths. The SD-445 is available in a wide array of painted finishes including custom color matching.

Standard Construction

Material: Galvannealed steel.
Frames: 4" deep x 20 ga. thick (102 x 1) channel.
Blades: 45^o x 20 ga. (1) thick drainable style.
Screen: 1/2" x 0.063" (12.7 x 1.6) expanded and flattened aluminum.
Mullion: Visible.
Minimum Size: 12" x 12" (305 x 305)
Maximum Size: Single Section: 48" x 96" (1219 x 2438)
                           Multiple Section: Unlimited

Ratings

Free Area: 8.5 ft² (0.79 m²)

Performance @ Beginning Point of Water Penetration
Free Area Velocity: 715 fpm (3.63 m/s)
Air Volume Delivered: 6092 cfm (2.88 m³/s)
Pressure Loss: 0.11 in. wg. (27 Pa)

Velocity @ 0.15 in. wg. Pressure Loss: 850 fpm (4.32 m/s)
Design Load: 30 psf